Tencent IMWeb Frontend Team

Jun 1, 2017 · Frontend Development

Unveiling React’s Diff Algorithm: From O(n³) to O(n) Performance

This article delves into React’s diff mechanism, explaining how the framework transforms the naïve O(n³) tree‑edit distance into an O(n) solution through layered tree diff, component diff, and element diff strategies, and offers practical insights on key usage and performance pitfalls.